WoltLab/WCF — pull request #1765 by joshuaruesweg (2014-06-29 10:08:12+00:00)
Title: prevent updating deleted profile-fields with 3rd..

..party connections

see here: https://www.woltlab.com/forum/index.php/Thread/227754-Facebook-Anmeldung-nicht-m%C3%B6glich/